MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to appear as free downloads, but they redirect to malicious infrastructure, specifically identified as a redirector. The ML classifier strongly indicated maliciousness, and the presence of many external links suggests a link farm or phishing attempt. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=berserk+volume+39+pdf In PDF document text
- http://files.octaviaharris.com/uploads/1/3/0/8/130814907/jedufurafilufuge.pdfIn PDF document text
- http://nasagid.monarayfineart.com/uploads/1/3/0/7/130775129/6897d.pdfIn PDF document text
- http://files.nstcricelake.org/uploads/1/3/1/8/131857565/fuxozefifidokej.pdfIn PDF document text
- http://files.keepmaryoutofthekitchen.com/uploads/1/3/0/9/130969298/621ef3a12.pdfIn PDF document text
- http://rekomora.abbydecoratingden.com/uploads/1/3/0/8/130814297/57d811.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/1142/3902/files/10687740685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3477/1610/files/index_google_sheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4093/9933/files/1808507677.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9776/5528/files/wupefebazevoviburowipaben.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0684/3288/files/kizuma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3301/0082/files/kazanutomurikod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2623/6063/files/foruzuwefu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/silekizezimepajetidomok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7316/6744/files/52040472201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0176/6310/files/4348914318.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2627/6775/files/zuzefisegotikejokaxonet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0935/1585/files/69941781725.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64CB | 3616 bytes |
SHA-256: b6568a03639cc0c5ace3dfbc3e69b7aedfcfd46c042ff66e7479098f4efe516b |
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font_01_sfnt_off000071ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71AC | 5116 bytes |
SHA-256: 0a24b7d3a4f38a50729ca112948990b166e4b25a9347fc30f6c1abbea4bd243c |
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font_02_sfnt_off00008316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8316 | 15088 bytes |
SHA-256: fec5956f031e74912f29261342f0913dce13b5d3d44a03ad7078c23617aaf835 |
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font_03_sfnt_off0000b1ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1CE | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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